Home / 85,366,804.98-128,062,422.42-26,284,184.32

Finding the Fourth Proportional to 85,366,804.98, 128,062,422.42 and 26,284,184.32

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Solution

The fourth proportional to 85,366,804.98, 128,062,422.42 and 26,284,184.32 is: 39,430,037.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,366,804.98 : 128,062,422.42 = 26,284,184.32 : x
  2. Step 2: Convert to fraction form
    85,366,804.98/128,062,422.42 = 26,284,184.32/x
  3. Step 3: Cross multiply
    85,366,804.98x = 128,062,422.42 × 26,284,184.32
  4. Step 4: Simplify right side
    85,366,804.98x = 3,366,016,315,352,980.50
  5. Step 5: Solve for x
    x = 3,366,016,315,352,980.50/85,366,804.98
  6. Step 6: Final answer
    x = 39,430,037.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.